{"id":84787,"date":"2025-10-28T11:38:44","date_gmt":"2025-10-28T11:38:44","guid":{"rendered":""},"modified":"2025-10-29T08:17:18","modified_gmt":"2025-10-29T14:17:18","slug":"cve-2025-32312-local-escalation-of-privilege-via-lazy-bundle-hardening-bypass","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-32312-local-escalation-of-privilege-via-lazy-bundle-hardening-bypass\/","title":{"rendered":"<strong>CVE-2025-32312: Local Escalation of Privilege via Lazy Bundle Hardening Bypass<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The CVE-2025-32312 is a critical vulnerability that impacts systems utilizing createIntentsList of PackageParser.java. This vulnerability allows an attacker to bypass lazy bundle hardening and pass modified data to the subsequent process. It presents a risk to system integrity and confidentiality, potentially allowing unauthorized <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32706-windows-common-log-file-system-driver-privilege-elevation-vulnerability\/\"  data-wpil-monitor-id=\"91740\">elevation of privilege<\/a> and data leakage without user interaction.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-32312<br \/>\nSeverity: High (7.8 CVSS Score)<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: Not Required<br \/>\nImpact: Local escalation of privilege, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30325-integer-overflow-vulnerability-in-photoshop-desktop-versions-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"91676\">potential system<\/a> compromise, and data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3776567738\" class=\"ameeb-content-2 ameeb-entity-placement\"><div style=\"border-left: 4px solid #555; padding-left: 20px; margin: 48px 0; font-family: Roboto, sans-serif; color: #ffffff; line-height: 1.6; max-width: 700px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 20px; font-weight: 600; display: flex; align-items: center;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 8px;\">\r\n      <img decoding=\"async\" src=\"https:\/\/www.ameeba.com\/blog\/wp-content\/uploads\/2025\/10\/Best-App-icon-Ameeba.png\" alt=\"Ameeba Chat Icon\" style=\"width: 40px; height: 40px;\" \/>\r\n    <\/a>\r\n    A new way to communicate\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 12px;\">\r\n    Ameeba Chat is built on encrypted identity, not personal profiles.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 16px;\">\r\n    Message, call, share files, and coordinate with identities kept separate.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 20px;\">\r\n    <li>\u2022 Encrypted identity<\/li>\r\n    <li>\u2022 Ameeba Chat authenticates access<\/li>\r\n    <li>\u2022 Aliases and categories<\/li>\r\n    <li>\u2022 End-to-end encrypted chat, calls, and files<\/li>\r\n    <li>\u2022 Secure notes for sensitive information<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px;\">\r\n    Private communication, rethought.\r\n  <\/p>\r\n\r\n  <div style=\"display: flex; flex-wrap: wrap; gap: 12px;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\/download\" style=\"background-color: #ffffff; color: #000000; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Download Ameeba Chat<\/a>\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Learn More<\/a>\r\n  <\/div>\r\n<\/div>\r\n<\/div>\n<p>Product | Affected Versions<\/p>\n<p>Java Runtime Environment | All versions prior to patch<br \/>\nJava Development Kit | All versions prior to patch<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32709-critical-use-after-free-vulnerability-in-windows-ancillary-function-driver-for-winsock\/\"  data-wpil-monitor-id=\"91730\">vulnerability resides in the createIntentsList function<\/a> of PackageParser.java, which is used for parsing application packages. The flaw lies in the unsafe deserialization process, allowing an attacker to bypass lazy bundle hardening. This means that a malicious actor can modify data and pass it to the next process, potentially leading to unauthorized <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-20683-local-privilege-escalation-due-to-incorrect-bounds-check-in-wlan-ap-driver\/\"  data-wpil-monitor-id=\"91789\">escalation of privilege<\/a> and data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3726941052\" class=\"ameeb-content ameeb-entity-placement\"><div class=\"poptin-embedded\" data-id=\"f6b387694f681\"><\/div>\r\n\r\n\r\n\r\n\r\n\r\n<\/div>\n<p>The following conceptual <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30326-arbitrary-code-execution-vulnerability-in-photoshop-desktop-versions\/\"  data-wpil-monitor-id=\"91679\">code outlines how this vulnerability<\/a> might be exploited:<\/p>\n<pre><code class=\"\" data-line=\"\">import java.util.*;\nimport java.io.*;\npublic class ExploitCVE202532312 {\npublic static void main(String[] args) {\ntry {\nObject maliciousBundle = new MaliciousBundle();\nByteArrayOutputStream byteOutput = new ByteArrayOutputStream();\nObjectOutputStream objectOutput = new ObjectOutputStream(byteOutput);\nobjectOutput.writeObject(maliciousBundle);\nByteArrayInputStream byteInput = new ByteArrayInputStream(byteOutput.toByteArray());\nObjectInputStream objectInput = new ObjectInputStream(byteInput);\n\/\/ Trigger the vulnerable deserialization process\nObject deserializedBundle = objectInput.readObject();\n\/\/ Bypass the lazy bundle hardening, passing modified data to the next process\n\/\/ The details of the malicious bundle and the subsequent process are hypothetical and for illustrative purposes only\nProcessBuilder processBuilder = new ProcessBuilder(&quot;nextProcess&quot;, deserializedBundle.toString());\nProcess process = processBuilder.start();\n} catch (Exception e) {\ne.printStackTrace();\n}\n}\n}<\/code><\/pre>\n<p>The above code is purely hypothetical and only intended to illustrate the concept of the exploit. The actual exploit would be specific to the system configuration and the attacker\u2019s objectives.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The CVE-2025-32312 is a critical vulnerability that impacts systems utilizing createIntentsList of PackageParser.java. This vulnerability allows an attacker to bypass lazy bundle hardening and pass modified data to the subsequent process. It presents a risk to system integrity and confidentiality, potentially allowing unauthorized elevation of privilege and data leakage without user interaction. Vulnerability Summary [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[76],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-84787","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-privilege-escalation"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/84787","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/comments?post=84787"}],"version-history":[{"count":5,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/84787\/revisions"}],"predecessor-version":[{"id":84964,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/84787\/revisions\/84964"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=84787"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=84787"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=84787"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=84787"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=84787"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=84787"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=84787"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=84787"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=84787"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}